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Serving 500+ biopharmaceutical companies globally:

Healthtrust
Fish and Richardson
Federal Trade Commission
Queensland Health
Julphar
McKesson
Baxter
Express Scripts
US Department of Justice
Colorcon

Generated: July 25, 2017

DrugPatentWatch Database Preview

Details for Patent: ► Subscribe

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Which drugs does patent 6,572,873 protect, and when does it expire?


Patent ► Subscribe protects VARITHENA and is included in one NDA.

This patent has seventy patent family members in thirty-four countries.

Summary for Patent: ► Subscribe

Title: Generation of therapeutic microfoam
Abstract:Improved therapeutic sclerosing microfoams and methods and devices for making them are provided that have advantage in producing a consistent profile injectable foam with minimal input by the physician yet using high volume percentages of blood dispersible gases, thus avoiding use of potentially hazardous amounts of nitrogen.
Inventor(s): Osman; Tariq (London, GB), Flynn; Sheila Bronwen (Nr. Stevenage, GB), Wright; David Dakin Iorwerth (High Wycombe, GB), Harman; Anthony David (Checkendon, GB), Boorman; Timothy David (Frinton on Sea, GB)
Assignee: BTG International Limited (London, GB)
Application Number:09/718,094
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Provensis
VARITHENA
polidocanol
SOLUTION;INTRAVENOUS205098-001Nov 25, 2013RXYesYes► Subscribe► Subscribe A METHOD OF GENERATING AN INJECTABLE FOAM OF CONTROLLED DENSITY AND BUBBLE SIZE
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Foreign Priority and PCT Information for Patent: ► Subscribe

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9912356May 26, 1999

Non-Orange Book Patents for Patent: ► Subscribe

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
6,942,165 Generation of therapeutic microfoam► Subscribe
7,357,336Generation of therapeutic microfoam► Subscribe
8,091,801Generation of therapeutic microfoam► Subscribe
7,604,185Generation of therapeutic microfoam► Subscribe
7,025,290Generation of therapeutic microfoam► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
TaiwanI230732► Subscribe
Taiwan482671► Subscribe
Turkey200103584► Subscribe
Saudi Arabia1174► Subscribe
Russian Federation2261700► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving 500+ biopharmaceutical companies globally:

Chinese Patent Office
UBS
Citi
Teva
Federal Trade Commission
Queensland Health
Express Scripts
US Department of Justice
Cerilliant
Chubb

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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